\[ \int e^{-b^2 x^2} \text {Erfi}(b x) \, dx \]
Optimal antiderivative \[ \frac {b \,x^{2} \hypergeom \left (\left [1, 1\right ], \left [\frac {3}{2}, 2\right ], -b^{2} x^{2}\right )}{\sqrt {\pi }} \]
command
integrate(erfi(b*x)/exp(b**2*x**2),x)
Sympy 1.10.1 under Python 3.10.4 output
\[ \frac {b x^{2} {{}_{2}F_{2}\left (\begin {matrix} 1, 1 \\ \frac {3}{2}, 2 \end {matrix}\middle | {- b^{2} x^{2}} \right )}}{\sqrt {\pi }} \]
Sympy 1.8 under Python 3.8.8 output
\[ \text {Exception raised: AttributeError} \]________________________________________________________________________________________